Regenerated gas recycling system

Abstract

The invention provides a regeneration gas recycling system, which comprises a regeneration gas separator, a regeneration tower, a regeneration tower, a regeneration tower and a regeneration tower, an inlet of the water collecting tank is connected with a liquid outlet of the regenerated gas separator; an inlet of the gas storage tank is connected with a gas outlet of the regenerated gas separator; the microalgae culture tank is used for culturing microalgae; a nutrient solution is stored in the nutrient solution circulating assembly, an outlet of the moisture collecting tank is connected with an inlet of the nutrient solution circulating assembly, and an outlet of the nutrient solution circulating assembly is connected with a liquid inlet of the microalgae culture tank; an outlet of the gas storage tank is connected with an inlet of the carbon dioxide injection assembly, and an outlet of the carbon dioxide injection assembly is connected with a carbon dioxide inlet of the microalgae culture tank, so that the problem that in the carbon capture process in the prior art, water and carbon dioxide in treated exhaust gas are generally discharged together is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of carbon capture, and in particular to a regeneration gas recycling system. Background Art

[0002] The carbon capture process usually involves capturing carbon dioxide from flue gas or industrial exhaust gases, which contain not only carbon dioxide but also a large amount of water. In the absence of an effective water separation and recovery mechanism, this water will be discharged into the atmosphere along with the capture process, and will not be reasonably utilized, resulting in a waste of resources.

[0003] Specifically, in some carbon capture technologies, such as chemical absorption, the captured carbon dioxide needs to be separated from the rich liquid. This process will produce regeneration gas rich in water. If this water is not recovered and reused, it will be regarded as waste and discharged, which will not only cause a waste of water resources, but may also cause secondary pollution to the environment due to the pollutants it carries. Summary of the invention

[0004] The main purpose of the present invention is to provide a regeneration gas recycling system to solve the problem that the carbon capture process in the prior art usually discharges the moisture in the treated exhaust gas together with the carbon dioxide.

[0005] In order to achieve the above-mentioned purpose, the present invention provides a regeneration gas recycling system, comprising: a regeneration gas separator, the gas inlet of the regeneration gas separator is connected to the regeneration gas outlet of the regeneration tower; a moisture collection tank, the inlet of the moisture collection tank is connected to the liquid outlet of the regeneration gas separator; a gas storage tank, the inlet of the gas storage tank is connected to the gas outlet of the regeneration gas separator; a microalgae culture tank, the microalgae culture tank is used to culture microalgae; a nutrient solution circulation component, the nutrient solution circulation component stores nutrient solution, the outlet of the moisture collection tank is connected to the inlet of the nutrient solution circulation component, and the outlet of the nutrient solution circulation component is connected to the liquid inlet of the microalgae culture tank; a carbon dioxide injection component, the outlet of the gas storage tank is connected to the inlet of the carbon dioxide injection component, and the outlet of the carbon dioxide injection component is connected to the carbon dioxide inlet of the microalgae culture tank.

[0006] Furthermore, the regeneration gas recycling system also includes: a first liquid pump, which is arranged between the moisture collection tank and the nutrient solution circulation component and is connected to both the moisture collection tank and the nutrient solution circulation component to pump the water in the moisture collection tank to the nutrient solution circulation component; and / or a first control valve, which is arranged at the liquid outlet of the regeneration gas separator to control the opening and closing of the liquid outlet of the regeneration gas separator; and / or a second control valve, which is arranged at the gas outlet of the regeneration gas separator to control the opening and closing of the gas outlet of the regeneration gas separator; and / or a third control valve, which is arranged at the outlet of the moisture collection tank to control the opening and closing of the outlet of the moisture collection tank; and / or a fourth control valve, which is arranged at the outlet of the gas storage tank to control the opening and closing of the outlet of the gas storage tank.

[0007] Furthermore, the nutrient solution circulation component includes: a nutrient solution tank, which is used to store nutrient solution, the inlet of the nutrient solution tank is connected to the moisture outlet of the moisture collection tank, and the outlet of the nutrient solution tank is connected to the liquid inlet of the microalgae culture tank; a second liquid pump, which is arranged between the nutrient solution tank and the microalgae culture tank and connected to both the nutrient solution tank and the microalgae culture tank to pump the mixture of nutrient solution and water in the nutrient solution tank to the microalgae culture tank.

[0008] Furthermore, the carbon dioxide injection component includes an air pump, the inlet of the air pump is connected to the outlet of the gas storage tank, and the outlet of the air pump is connected to the carbon dioxide inlet of the microalgae culture tank.

[0009] Furthermore, the regeneration gas reuse system includes: an oxygen detection component, a detection probe of the oxygen detection component is arranged in the microalgae culture tank to detect the dissolved oxygen concentration of the liquid in the microalgae culture tank; a pH detection component, a detection probe of the pH detection component is arranged in the microalgae culture tank to detect the pH value of the liquid in the microalgae culture tank.

[0010] Furthermore, the regeneration gas recycling system includes a light detection component, and a detection probe of the light detection component is arranged in the microalgae culture tank to detect the light intensity in the microalgae culture tank.

[0011] Furthermore, the regeneration gas recycling system also includes a lighting component, at least a portion of which is disposed above the microalgae cultivation tank to provide lighting to the microalgae cultivation tank.

[0012] Furthermore, the regeneration gas recycling system also includes a temperature detection component, and a detection probe of the temperature detection component is arranged in the microalgae culture tank to detect the temperature in the microalgae culture tank.

[0013] Furthermore, the regeneration gas reuse system also includes a temperature control component, at least part of which is disposed in the microalgae culture tank, and the temperature control component is connected to a temperature detection component to control the temperature control component according to a detection result of the temperature detection component to adjust the temperature in the microalgae culture tank.

[0014] Furthermore, the temperature control component includes: a fan, which is connected to the air inlet of the microalgae culture tank to blow air into the microalgae culture tank; and a heating component, which is arranged inside the microalgae culture tank and located at the air outlet of the fan.

[0015] Applying the technical solution of the present invention, the present invention provides a regeneration gas recycling system, including: a regeneration gas separator, the gas inlet of the regeneration gas separator is connected to the regeneration gas outlet of the regeneration tower; a moisture collection tank, the inlet of the moisture collection tank is connected to the liquid outlet of the regeneration gas separator; a gas storage tank, the inlet of the gas storage tank is connected to the gas outlet of the regeneration gas separator; a microalgae culture tank, the microalgae culture tank is used to culture microalgae; a nutrient solution circulation component, the nutrient solution circulation component stores nutrient solution, the outlet of the moisture collection tank is connected to the inlet of the nutrient solution circulation component, and the outlet of the nutrient solution circulation component is connected to the liquid inlet of the microalgae culture tank; a carbon dioxide injection component, the outlet of the gas storage tank is connected to the inlet of the carbon dioxide injection component, and the outlet of the carbon dioxide injection component is connected to the carbon dioxide inlet of the microalgae culture tank. In this way, it can solve the problem that the carbon capture process in the prior art usually discharges the moisture in the treated exhaust gas together with the carbon dioxide. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0017] Figure 1 A structural schematic diagram of an embodiment of a regeneration gas reuse system according to the present invention is shown.

[0018] The above drawings include the following reference numerals:

[0019] 1. Regeneration gas separator; 2. Moisture collection tank; 3. Gas storage tank; 4. Microalgae culture tank; 5. Nutrient solution circulation component; 6. Carbon dioxide injection component; 7. First liquid pump; 8. First control valve; 9. Second control valve; 10. Third control valve; 11. Fourth control valve; 12. Nutrient solution tank; 13. Second liquid pump; 14. Air pump; 15. Lighting component; 16. Temperature detection component; 17. Temperature control component; 18 Fan; 19. Heating component. DETAILED DESCRIPTION

[0020] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0021] like Figure 1 As shown, the present invention provides a regeneration gas recycling system, including: a regeneration gas separator 1, the gas inlet of the regeneration gas separator 1 is connected to the regeneration gas outlet of the regeneration tower; a moisture collection tank 2, the inlet of the moisture collection tank 2 is connected to the liquid outlet of the regeneration gas separator 1; a gas storage tank 3, the inlet of the gas storage tank 3 is connected to the gas outlet of the regeneration gas separator 1; a microalgae culture tank 4, the microalgae culture tank 4 is used to culture microalgae; a nutrient solution circulation component 5, the nutrient solution circulation component 5 stores nutrient solution, the outlet of the moisture collection tank 2 is connected to the inlet of the nutrient solution circulation component 5, and the outlet of the nutrient solution circulation component 5 is connected to the liquid inlet of the microalgae culture tank 4; a carbon dioxide injection component 6, the outlet of the gas storage tank 3 is connected to the inlet of the carbon dioxide injection component 6, and the outlet of the carbon dioxide injection component 6 is connected to the carbon dioxide inlet of the microalgae culture tank 4. In this way, the problem that the carbon capture process in the prior art usually discharges the water in the treated exhaust gas together with the carbon dioxide can be solved.

[0022] like Figure 1 As shown, the regeneration gas recycling system also includes: a first liquid pump 7, which is arranged between the moisture collection tank 2 and the nutrient solution circulation component 5 and is connected to both the moisture collection tank 2 and the nutrient solution circulation component 5 to pump the water in the moisture collection tank 2 to the nutrient solution circulation component 5; and / or a first control valve 8, which is arranged at the liquid outlet of the regeneration gas separator 1 to control the opening and closing of the liquid outlet of the regeneration gas separator 1; and / or a second control valve 9, which is arranged at the gas outlet of the regeneration gas separator 1 to control the opening and closing of the gas outlet of the regeneration gas separator 1; and / or a third control valve 10, which is arranged at the outlet of the moisture collection tank 2 to control the opening and closing of the outlet of the moisture collection tank 2; and / or a fourth control valve 11, which is arranged at the outlet of the gas storage tank 3 to control the opening and closing of the outlet of the gas storage tank 3.

[0023] like Figure 1 As shown, the nutrient solution circulation component 5 includes: a nutrient solution tank 12, the nutrient solution tank 12 is used to store nutrient solution, the inlet of the nutrient solution tank 12 is connected to the moisture outlet of the moisture collection tank 2, and the outlet of the nutrient solution tank 12 is connected to the liquid inlet of the microalgae culture tank 4; a second liquid pump 13, the second liquid pump 13 is arranged between the nutrient solution tank 12 and the microalgae culture tank 4 and is connected to both the nutrient solution tank 12 and the microalgae culture tank 4 to pump the mixture of nutrient solution and water in the nutrient solution tank 12 to the microalgae culture tank 4.

[0024] like Figure 1 As shown, the carbon dioxide injection assembly 6 includes an air pump 14 , the inlet of the air pump 14 is connected to the outlet of the gas storage tank 3 , and the outlet of the air pump 14 is connected to the carbon dioxide inlet of the microalgae culture tank 4 .

[0025] like Figure 1 As shown, the regeneration gas reuse system includes: an oxygen detection component, a detection probe of the oxygen detection component is arranged in the microalgae culture tank 4, so as to detect the dissolved oxygen concentration of the liquid in the microalgae culture tank 4; a pH detection component, a detection probe of the pH detection component is arranged in the microalgae culture tank 4, so as to detect the pH value of the liquid in the microalgae culture tank 4.

[0026] like Figure 1 As shown, the regeneration gas recycling system includes a light detection component, and a detection probe of the light detection component is arranged in the microalgae culture tank 4 to detect the light intensity in the microalgae culture tank 4.

[0027] like Figure 1 As shown, the regeneration gas reuse system further includes a lighting component 15 , at least a portion of which is disposed above the microalgae cultivation tank 4 to provide lighting to the microalgae cultivation tank 4 .

[0028] like Figure 1 As shown, the regeneration gas reuse system further includes a temperature detection component 16 , and a detection probe of the temperature detection component 16 is disposed in the microalgae culture tank 4 to detect the temperature in the microalgae culture tank 4 .

[0029] like Figure 1 As shown, the regeneration gas reuse system also includes a temperature control component 17, at least part of which is disposed in the microalgae culture tank 4, and the temperature control component 17 is connected to the temperature detection component 16 to control the temperature control component 17 according to the detection result of the temperature detection component 16 to adjust the temperature in the microalgae culture tank 4.

[0030] like Figure 1 As shown, the temperature control component 17 includes: a fan 18, which is connected to the air inlet of the microalgae culture tank 4 to blow air into the microalgae culture tank 4; a heating component 19, which is arranged inside the microalgae culture tank 4 and located at the air outlet of the fan 18.

[0031] From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:

[0032] The regeneration gas recycling system of the present invention comprises: a regeneration gas separator 1, the gas inlet of the regeneration gas separator 1 is connected to the regeneration gas outlet of the regeneration tower; a moisture collection tank 2, the inlet of the moisture collection tank 2 is connected to the liquid outlet of the regeneration gas separator 1; a gas storage tank 3, the inlet of the gas storage tank 3 is connected to the gas outlet of the regeneration gas separator 1; a microalgae culture tank 4, the microalgae culture tank 4 is used to culture microalgae; a nutrient solution circulation component 5, the nutrient solution circulation component 5 stores nutrient solution, the outlet of the moisture collection tank 2 is connected to the inlet of the nutrient solution circulation component 5, and the outlet of the nutrient solution circulation component 5 is connected to the liquid inlet of the microalgae culture tank 4; a carbon dioxide injection component 6, the outlet of the gas storage tank 3 is connected to the inlet of the carbon dioxide injection component 6, and the outlet of the carbon dioxide injection component 6 is connected to the carbon dioxide inlet of the microalgae culture tank 4. In this way, the problem that the carbon capture process in the prior art usually discharges the water in the treated exhaust gas together with the carbon dioxide can be solved.

[0033] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0034] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to those of ordinary skill in the relevant field may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be considered as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so that once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0035] In the description of the present application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present application; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0036] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0037] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A regeneration gas recycling system, characterized in that: include: A regeneration gas separator (1), wherein a gas inlet of the regeneration gas separator (1) is connected to a regeneration gas outlet of a regeneration tower; a moisture collection tank (2), the inlet of the moisture collection tank (2) being connected to the liquid outlet of the regeneration gas separator (1); A gas storage tank (3), the inlet of the gas storage tank (3) being connected to the gas outlet of the regeneration gas separator (1); A microalgae culture tank (4), wherein the microalgae culture tank (4) is used to culture microalgae; a nutrient solution circulation component (5), wherein the nutrient solution is stored in the nutrient solution circulation component (5), the outlet of the water collection tank (2) is connected to the inlet of the nutrient solution circulation component (5), and the outlet of the nutrient solution circulation component (5) is connected to the liquid inlet of the microalgae culture tank (4); A carbon dioxide injection component (6), wherein the outlet of the gas storage tank (3) is connected to the inlet of the carbon dioxide injection component (6), and the outlet of the carbon dioxide injection component (6) is connected to the carbon dioxide inlet of the microalgae culture tank (4).

2. The regeneration gas recycling system according to claim 1, characterized in that: The regeneration gas recycling system also includes: a first liquid pump (7), the first liquid pump (7) being arranged between the moisture collection tank (2) and the nutrient solution circulation assembly (5) and being connected to both the moisture collection tank (2) and the nutrient solution circulation assembly (5) so as to pump the water in the moisture collection tank (2) to the nutrient solution circulation assembly (5); and / or a first control valve (8), the first control valve (8) being arranged at the liquid outlet of the regeneration gas separator (1) for controlling the opening and closing of the liquid outlet of the regeneration gas separator (1); and / or a second control valve (9), the second control valve (9) being arranged at the gas outlet of the regeneration gas separator (1) to control the opening and closing of the gas outlet of the regeneration gas separator (1); and / or a third control valve (10), the third control valve (10) being arranged at the outlet of the moisture collection tank (2) for controlling the opening and closing of the outlet of the moisture collection tank (2); and / or A fourth control valve (11), the fourth control valve (11) being arranged at the outlet of the gas storage tank (3) to control the opening and closing of the outlet of the gas storage tank (3).

3. The regeneration gas recycling system according to claim 1, characterized in that: The nutrient solution circulation component (5) comprises: a nutrient solution tank (12), the nutrient solution tank (12) being used to store nutrient solution, the inlet of the nutrient solution tank (12) being connected to the water outlet of the water collection tank (2), and the outlet of the nutrient solution tank (12) being connected to the liquid inlet of the microalgae culture tank (4); A second liquid pump (13), the second liquid pump (13) is arranged between the nutrient solution tank (12) and the microalgae culture tank (4) and is connected to both the nutrient solution tank (12) and the microalgae culture tank (4) to pump a mixture of nutrient solution and water in the nutrient solution tank (12) to the microalgae culture tank (4).

4. The regeneration gas recycling system according to claim 1, characterized in that: The carbon dioxide injection assembly (6) comprises an air pump (14), the inlet of the air pump (14) is connected to the outlet of the gas storage tank (3), and the outlet of the air pump (14) is connected to the carbon dioxide inlet of the microalgae culture tank (4).

5. The regeneration gas recycling system according to claim 1, characterized in that: The regeneration gas recycling system comprises: an oxygen detection component, wherein a detection probe of the oxygen detection component is arranged in the microalgae culture tank (4) to detect the dissolved oxygen concentration of the liquid in the microalgae culture tank (4); A pH detection component, wherein a detection probe of the pH detection component is arranged in the microalgae culture tank (4) to detect the pH value of the liquid in the microalgae culture tank (4).

6. The regeneration gas recycling system according to claim 1, characterized in that: The regeneration gas recycling system comprises a light detection component, and a detection probe of the light detection component is arranged in the microalgae culture tank (4) to detect the light intensity in the microalgae culture tank (4).

7. The regeneration gas recycling system according to claim 6, characterized in that: The regeneration gas recycling system further comprises a lighting component (15), at least a portion of which is arranged above the microalgae cultivation tank (4) to provide lighting to the microalgae cultivation tank (4).

8. The regeneration gas recycling system according to claim 1, characterized in that: The regeneration gas recycling system further comprises a temperature detection component (16), wherein a detection probe of the temperature detection component (16) is arranged in the microalgae culture tank (4) to detect the temperature in the microalgae culture tank (4).

9. The regeneration gas recycling system according to claim 8, characterized in that: The regeneration gas recycling system further comprises a temperature control component (17), at least a portion of which is disposed in the microalgae culture tank (4), and the temperature control component (17) is connected to the temperature detection component (16) so as to control the temperature control component (17) according to the detection result of the temperature detection component (16) to adjust the temperature in the microalgae culture tank (4).

10. The regeneration gas recycling system according to claim 9, characterized in that: The temperature control component (17) comprises: a fan (18), the fan (18) being arranged at the air inlet of the microalgae culture tank (4) so ​​as to blow air into the interior of the microalgae culture tank (4); A heating component (19), wherein the heating component (19) is arranged inside the microalgae culture tank (4) and located at the air outlet of the fan (18).

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